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Finding the Fourth Proportional to 603,673.10, 905,509.65 and 594,341.90

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Solution

The fourth proportional to 603,673.10, 905,509.65 and 594,341.90 is: 891,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,673.10 : 905,509.65 = 594,341.90 : x
  2. Step 2: Convert to fraction form
    603,673.10/905,509.65 = 594,341.90/x
  3. Step 3: Cross multiply
    603,673.10x = 905,509.65 × 594,341.90
  4. Step 4: Simplify right side
    603,673.10x = 538,182,325,849.34
  5. Step 5: Solve for x
    x = 538,182,325,849.34/603,673.10
  6. Step 6: Final answer
    x = 891,512.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.